linux-kernel - Re: [PATCH 0/8] Suspend block api (version 7)

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Date:	Mon, 17 May 2010 15:01:19 -0400
From:	Mike Snitzer <snitzer@...il.com>
To:	Arve Hjønnevåg <arve@...roid.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	Greg KH <gregkh@...e.de>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Kevin Hilman <khilman@...prootsystems.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Brian Swetland <swetland@...gle.com>,
	Daniel Walker <dwalker@...o99.com>,
	"Theodore Ts'o" <tytso@....edu>, Matthew Garrett <mjg@...hat.com>
Subject: Re: [PATCH 0/8] Suspend block api (version 7)

2010/5/17 Arve Hjønnevåg <arve@...roid.com>:
> 2010/5/14 Rafael J. Wysocki <rjw@...k.pl>:
>> On Friday 14 May 2010, Arve Hjønnevåg wrote:
>>> This patch series adds a suspend-block api that provides the same
>>> functionality as the android wakelock api. This version has some
>>> changes from, or requested by, Rafael. The most notable changes are:
>>> - DEFINE_SUSPEND_BLOCKER and suspend_blocker_register have been added
>>>   for statically allocated suspend blockers.
>>> - suspend_blocker_destroy is now called suspend_blocker_unregister
>>> - The user space mandatory _INIT ioctl has been replaced with an
>>>   optional _SET_NAME ioctl.
>>>
>>> I kept the ack and reviewed by tags on two of the patches even though
>>> there were a few cosmetic changes.
>>
>> Thanks for the patches, I think they are in a pretty good shape now.
>>
>> That said, I'd like the changelogs to be a bit more descriptive, at least for
>> patch [1/8].  I think it should explain (in a few words) what the purpose of
>> the feature is and what problems it solves that generally a combination of
>> runtime PM and cpuidle is not suitable for in your opinion.  IOW, why you
>> think we need that feature.
>>
>
> How about:
>
> PM: Add opportunistic suspend support.
>
> Adds a suspend block api

In the future I think it'd be ideal if you were to always use "suspend
blocker" (rather than "suspend block").

This work has nothing to do with the block layer yet by the subject I
thought it somehow did.
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